• Sr . ISSE TS / SCI

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . ISSE ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Community Markings System Register and Manual Standards. You must have an active TS / SCI Polygraph up front. No exceptions and no sponsorship available,… more
    Leidos (11/15/25)
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  • Edge Information Systems Security Engineer…

    V2X (Springfield, VA)
    …and professionalism. We are hiring an Edge Information Systems Security Engineer ( ISSE ) - active TS / SCI clearance to support our government customer ... required to be onsite. The position requires an active Top Secret / SCI clearance and the...obtain and maintain a Counterintelligence (CI) Polygraph. The Edge Information System Security Engineer ( ISSE ) provides cybersecurity… more
    V2X (09/09/25)
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  • Sr . ISSE TS / SCI

    Leidos (Annapolis Junction, MD)
    …where you can thrive, keep reading! Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled Agile ... with geographically distributed components. + Identifying and implementing appropriate information security architectures and functionality to ensure uniform application… more
    Leidos (09/15/25)
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  • ISSE Senior - with TS

    Amentum (Columbia, MD)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior ISSE ** to join our team of passionate individuals in **Columbia, MD** . ... on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you... Security regulations, publications, and policy **Clearance Required:** * TS / SCI w/ Poly **Minimum Years of Experience:**… more
    Amentum (10/14/25)
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  • Information Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Information Systems Security Engineer ( ISSE ) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** ... on a highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer ( ISSE ) designs, implements, and manages… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Information Systems Security Engineer…

    Systems Technologies, Inc. (Hanover, MD)
    …SYSTEMS SECURITY ENGINEER ( ISSE ) The company is seeking junior, mid-level, and senior Information Systems Security Engineers ( ISSE ) to provide SETA ... Information Systems Security Engineer ( ISSE ) Location...Advanced Security Practitioner (CASP+) SECURITY CLEARANCE . Active DoD Top Secret / SCI clearance required TRAVEL… more
    Systems Technologies, Inc. (09/02/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …delivering mission excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers ( ISSE ) in **Fort Meade, ... and implement secure networking, computing, and enclave environments. **Qualifications** + Active TS / SCI with polygraph clearance. + Fourteen years of IA System… more
    SAIC (09/04/25)
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  • ISSE / ISSO

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …established Information Assurance standards and regulations. In addition, the ISSE /ISSO will recommend and oversee the application of mitigation strategies to ... ISSE / ISSO Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description...exciting job waiting for you! Requirements + Active Clearance: TS / SCI with Polygraph?is required + Education: Positions… more
    Athenix Solutions Group, LLC (10/23/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for an Information Systems Security Engineer ( ISSE ). Candidate will perform system or ... Enlighten, honored as a Top Workplace from USA Today, is a leader...assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance is required;… more
    Huntington Ingalls Industries (11/06/25)
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  • Senior Information System Security…

    The MITRE Corporation (Mclean, VA)
    …RMF, NIST SP 800-53, J-SIG, STIGs, and SCAP Compliance Checker. + Experience supporting Sensitive Compartmented Information ( SCI ) and/or Special Access ... Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with...combination of related education and work experience. + Active Top Secret clearance with SCI more
    The MITRE Corporation (11/11/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …or a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and ... Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with...year from the date of hire, the following clearance(s): Top Secret / SCI Work Location Type:… more
    The MITRE Corporation (11/08/25)
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  • Information System Security Officer (ISSO)

    Lockheed Martin (Hanover, MD)
    …technical and non technical audiences\. **Basic Qualifications:** All candidates must possess a Final Top Secret Clearance w/ SCI and a Full Scope Polygraph\. ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know**… more
    Lockheed Martin (10/18/25)
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  • Mid/ Senior Information Systems…

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is Mid/ Senior Information Systems Security Engineer ( ISSE ) to join our intel team. ... conducting security verification testing of relevant type 1 devices. Preferred Qualifications: + TS / SCI Clearance with polygraph within the last 6 yrs. + Must… more
    Belay Technologies (11/06/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer ( ISSE )** shall deliver and ... so, look no further. Amentum is seeking a **Principal Information Systems Security Engineer** to join our team of...rapid acquisition programs **Clearance Required:** * Must have active Top Secret clearance with SCI more
    Amentum (10/23/25)
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  • Security Engineer/Architect (Hybrid)

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …+ Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance with CI Poly is required; US Citizenship ... Enlighten, honored as a Top Workplace from USA Today, is a leader...on our customer site in Ft. Belvoir, VA. #LI-DS1 #Mid- Senior Level Essential Job Responsibilities + Will create, review… more
    Huntington Ingalls Industries (09/12/25)
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